{"id":"CVE-2020-35524","details":"A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.","modified":"2026-04-16T04:34:59.520503916Z","published":"2021-03-09T20:15:13.040Z","related":["ALSA-2021:4241","SUSE-SU-2022:0480-1","SUSE-SU-2022:0496-1","SUSE-SU-2022:14888-1","openSUSE-SU-2022:0480-1","openSUSE-SU-2024:13381-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMHBYFMX3D5VGR6Y3RXTTH3Q4NF4E6IG/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202104-06"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210521-0009/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4869"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00023.html"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1932044"},{"type":"FIX","url":"https://gitlab.com/libtiff/libtiff/-/merge_requests/159"},{"type":"FIX","url":"https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/libtiff/libtiff","events":[{"introduced":"0"},{"fixed":"4862b0d7bcc786304ff4e8c31e8d5ccfb868fb99"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"4.2.0"}]}},{"type":"GIT","repo":"https://gitlab.com/rzkn/libtiff","events":[{"introduced":"0"},{"fixed":"7be2e452ddcf6d7abca88f41d3761e6edab72b22"}]}],"versions":["Pre360","Release-","Release-3-7-0","Release-v3-5-","Release-v3-5-4","Release-v3-5-5","Release-v3-5-7","Release-v3-6-0","Release-v3-6-0beta2","Release-v3-6-1","Release-v3-7-0-alpha","Release-v3-7-0beta","Release-v3-7-0beta2","Release-v3-7-1","Release-v3-7-2","Release-v3-7-3","Release-v3-7-4","Release-v3-8-0","Release-v3-8-1","Release-v3-8-2","Release-v4-0-0","Release-v4-0-0alpha","Release-v4-0-0alpha4","Release-v4-0-0alpha5","Release-v4-0-0alpha6","Release-v4-0-0beta7","Release-v4-0-1","Release-v4-0-2","Release-v4-0-3","Release-v4-0-4","Release-v4-0-4beta","Release-v4-0-5","Release-v4-0-6","Release-v4-0-7","Release-v4-0-8","Release-v4-0-9","v3.5.3","v3.5.4","v3.5.5","v3.5.7","v3.6.0","v3.6.0beta2","v3.6.1","v3.7.0","v3.7.0alpha","v3.7.0beta","v3.7.0beta2","v3.7.1","v3.7.2","v3.7.3","v3.7.4","v3.8.0","v3.8.1","v3.8.2","v4.0.0","v4.0.0alpha","v4.0.0alpha4","v4.0.0alpha5","v4.0.0alpha6","v4.0.0beta7","v4.0.1","v4.0.10","v4.0.2","v4.0.3","v4.0.4","v4.0.4beta","v4.0.5","v4.0.6","v4.0.7","v4.0.8","v4.0.9","v4.1.0"],"database_specific":{"vanir_signatures_modified":"2026-04-11T13:53:09Z","vanir_signatures":[{"signature_version":"v1","deprecated":false,"signature_type":"Function","target":{"file":"tools/tiff2pdf.c","function":"t2p_read_tiff_size"},"id":"CVE-2020-35524-4f566ef4","digest":{"length":3961,"function_hash":"162918101681779814229328512498276279333"},"source":"https://gitlab.com/rzkn/libtiff@7be2e452ddcf6d7abca88f41d3761e6edab72b22"},{"target":{"file":"tools/tiff2pdf.c"},"deprecated":false,"signature_type":"Line","signature_version":"v1","id":"CVE-2020-35524-784ef608","digest":{"line_hashes":["63000372611281549800537825189411368918","169840123599508707064489978991016675369","207475852092280604137846944425818913699","23804163367835457466111112595890857262","74312963337095397387789349994033477595","181327529202719562561631839071146868230"],"threshold":0.9},"source":"https://gitlab.com/rzkn/libtiff@7be2e452ddcf6d7abca88f41d3761e6edab72b22"}],"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35524.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}